Method and apparatus for reducing residual toner voltage

Details Method and apparatus for reducing residual toner voltage Method and apparatus for reducing residual toner voltage

1994-11-30

1996-12-03

Beatty, Robert

Photocopying

Contact printing

Light boxes

355326R, G03G 1502

Patent

active

055813305

ABSTRACT:
In a multi-color imaging apparatus utilizing a recharge step between two image creation steps for conditioning a charge retentive surface pursuant to forming the second of the two images, a voltage sensitive corona generating device having a high characteristic slope described in a graph of the current delivered to a charge receiving surface (I) vs. grid minus charge receiving surface voltage (V) is used to both reduce the residual toner voltage across the previously toned image, and to charge the toned and untoned areas of the charge retentive surface to a substantially uniform level so that developability conditions for the subsequent image are improved.

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European Patent Application; Charles H. Tabb; Publication No. 0 581 563 A3; Prerecharge device for voltage uniformity in read color systems; Publication Date Feb. 2, 1994.

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